Grenville, SD 57239 has a continental climate, with hot summers and cold winters. The average summer temperature is around 81 degrees Fahrenheit while the average winter temperature is around 7 degrees Fahrenheit. It receives an average of 25 inches of precipitation per year and experiences all four seasons. Spring brings mild temperatures and rainy weather, while summer days are sunny and hot. Fall brings cooler temperatures and colorful foliage, while winter brings cold temperatures and snowfall.
Grenville (zip 57239), South Dakota gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grenville (zip 57239) averages 43 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 203 sunny days per year in Grenville (zip 57239). The US average is 205 sunny days.
Grenville (zip 57239) gets some kind of precipitation, on average, 82 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 82 degrees
Winter Low: the January low is 3
Rain: averages 24 inches of rain a year
Snow: averages 43 inches of snow a year